CVE-2026-28707: Ray — MEDIUM

Protection mechanism failure for some LLM-on-Ray before version 1.0 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially...

Full CISO analysis pending enrichment.

What systems are affected?

Package	Ecosystem	Vulnerable Range	Patched
Ray	pip	—	No patch
43.5K OpenSSF 5.8 620 dependents Pushed 2d ago 68% patched ~112d to patch Full package profile →

Do you use Ray? You're affected.

How severe is it?

CVSS 3.1

N/A

EPSS

N/A

Exploitation Status

No known exploitation

Sophistication

N/A

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-28707?

Protection mechanism failure for some LLM-on-Ray before version 1.0 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Is CVE-2026-28707 actively exploited?

No confirmed active exploitation of CVE-2026-28707 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-28707?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-28707?

No CVSS score has been assigned yet.

What are the technical details?

Original Advisory

Protection mechanism failure for some LLM-on-Ray before version 1.0 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Weaknesses (CWE)

CWE-693 Protection Mechanism Failure

CWE-693 — Protection Mechanism Failure: The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Source: MITRE CWE corpus.